{"id":65510,"date":"2025-05-03T14:29:58","date_gmt":"2025-05-03T06:29:58","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65510\/"},"modified":"2025-05-03T14:29:58","modified_gmt":"2025-05-03T06:29:58","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e6%b7%bb%e5%8a%a0%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65510\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u6dfb\u52a0\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u53ef\u4ee5\u6dfb\u52a0\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\u4e24\u79cd\uff1a1. \u76f4\u63a5\u521d\u59cb\u5316\uff0c\u5982 int[] numbers = {1, 2, 3, 4, 5}\uff1b2. \u4f7f\u7528\u6570\u7ec4\u5de5\u5177\u7c7b arrays\uff0c\u5982\uff1a- arrays.fill(numbers, 1) \u5c06\u6240\u6709\u5143\u7d20\u521d\u59cb\u5316\u4e3a\u6307\u5b9a\u503c\uff1b- arrays.copyof(numbers, numbers.length + 2) \u521b\u5efa\u6bd4\u539f\u59cb\u6570\u7ec4\u5927 2 \u7684\u65b0\u6570\u7ec4\uff1b- arrays.copyofrange(numbers, 2, numbers.length) \u4ece\u539f\u59cb\u6570\u7ec4\u7684\u6307\u5b9a\u8303\u56f4\u521b\u5efa\u65b0\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111302365036326.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u600e\u4e48\u6dfb\u52a0\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u4e2d\u600e\u4e48\u6dfb\u52a0\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u6dfb\u52a0\u6570\u7ec4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u6709\u4e24\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6dfb\u52a0\u6570\u7ec4\uff1a<\/p>\n<p><strong>1. \u76f4\u63a5\u521d\u59cb\u5316<\/strong><\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u65b9\u6cd5\u7528\u4e8e\u5728\u58f0\u660e\u6570\u7ec4\u65f6\u521d\u59cb\u5316\u6570\u7ec4\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p><strong>2. \u4f7f\u7528\u6570\u7ec4\u5de5\u5177\u7c7b<\/strong><\/p>\n<p>Java \u63d0\u4f9b\u4e86\u4e00\u4e2a Arrays \u5b9e\u7528\u7a0b\u5e8f\u7c7b\uff0c\u53ef\u7528\u4e8e\u6dfb\u52a0\u6570\u7ec4\u5143\u7d20\u3002<\/p>\n<pre>int[] numbers = new int[5];\nArrays.fill(numbers, 1);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u65b9\u6cd5\u4f7f\u7528 fill() \u65b9\u6cd5\u5c06\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\u521d\u59cb\u5316\u4e3a\u6307\u5b9a\u503c\u3002<\/p>\n<pre>int[] numbers = new int[5];\nArrays.copyOf(numbers, numbers.length + 2);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u65b9\u6cd5\u4f7f\u7528 copyOf() \u65b9\u6cd5\u521b\u5efa\u65b0\u6570\u7ec4\uff0c\u5176\u957f\u5ea6\u6bd4\u539f\u59cb\u6570\u7ec4\u5927 2\u3002<\/p>\n<pre>int[] numbers = new int[5];\nArrays.copyOfRange(numbers, 2, numbers.length);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u65b9\u6cd5\u4f7f\u7528 copyOfRange() \u65b9\u6cd5\u521b\u5efa\u65b0\u6570\u7ec4\uff0c\u5176\u5185\u5bb9\u662f\u4ece\u539f\u59cb\u6570\u7ec4\u7684\u6307\u5b9a\u8303\u56f4\u590d\u5236\u800c\u6765\u7684\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u6dfb\u52a0\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java \u4e2d\u53ef\u4ee5\u6dfb\u52a0\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\u4e24\u79cd\uff1a1. \u76f4\u63a5\u521d\u59cb\u5316\uff0c\u5982 int[] numbers = {1, 2, 3, 4, 5}\uff1b2. \u4f7f\u7528\u6570\u7ec4\u5de5\u5177\u7c7b arrays\uff0c\u5982\uff1a- arrays.fill(numbers, 1) \u5c06\u6240\u6709\u5143\u7d20\u521d\u59cb\u5316\u4e3a\u6307\u5b9a\u503c\uff1b- arrays.copyof(numbers, numbers.length + 2) \u521b\u5efa\u6bd4\u539f\u59cb\u6570\u7ec4\u5927 2 \u7684\u65b0\u6570\u7ec4\uff1b- arrays.copyofrange(numbers, 2, numbers.length) \u4ece\u539f\u59cb\u6570\u7ec4\u7684\u6307\u5b9a\u8303\u56f4\u521b\u5efa\u65b0\u6570\u7ec4\u3002 Java \u4e2d\u6dfb\u52a0\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u6709\u4e24\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6dfb\u52a0\u6570\u7ec4\uff1a 1. \u76f4\u63a5\u521d\u59cb\u5316 int[] numbers = {1, 2, 3, 4, 5}; \u767b\u5f55\u540e\u590d\u5236 \u6b64\u65b9\u6cd5\u7528\u4e8e\u5728\u58f0\u660e\u6570\u7ec4\u65f6\u521d\u59cb\u5316\u6570\u7ec4\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b 2. \u4f7f\u7528\u6570\u7ec4\u5de5\u5177\u7c7b Java \u63d0\u4f9b\u4e86\u4e00\u4e2a Arrays \u5b9e\u7528\u7a0b\u5e8f\u7c7b\uff0c\u53ef\u7528\u4e8e\u6dfb\u52a0\u6570\u7ec4\u5143\u7d20\u3002 int[] numbers = new [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-65510","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65510","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=65510"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65510\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65510"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65510"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}